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<td> <div>Defined in header <code><a href="../header/utility.html" title="cpp/header/utility">&lt;utility&gt;</a></code>
 </div>
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<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T, T... <span class="me1">Ints</span> <span class="sy1">&gt;</span><br>
<span class="kw1">class</span> integer_sequence<span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad">  </td>
<td> <span class="t-mark-rev t-since-cxx14">(since C++14)</span> </td>
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<p>The class template <code>std::integer_sequence</code> represents a compile-time sequence of integers. When used as an argument to a <a href="../language/function_template.html" title="cpp/language/function template">function template</a>, the <a href="../language/parameter_pack.html" title="cpp/language/parameter pack">parameter pack</a> <code>Ints</code> can be deduced and used in pack expansion.
</p>
<table id="toc" class="toc"><tr><td>
<div id="toctitle"><h2>Contents</h2></div>
<ul>
<li class="toclevel-1 tocsection-1"><a href="integer_sequence.html#Template_parameters"><span class="tocnumber">1</span> <span class="toctext">Template parameters</span></a></li>
<li class="toclevel-1 tocsection-2"><a href="integer_sequence.html#Member_types"><span class="tocnumber">2</span> <span class="toctext">Member types</span></a></li>
<li class="toclevel-1 tocsection-3"><a href="integer_sequence.html#Member_functions"><span class="tocnumber">3</span> <span class="toctext">Member functions</span></a></li>
<li class="toclevel-1">
<a href="integer_sequence.html#std%3A%3Ainteger_sequence%3A%3Asize"><span class="tocnumber">4</span> <span class="toctext"><span>std::integer_sequence::</span>size</span></a>
<ul>
<li class="toclevel-2"><a href="integer_sequence.html#Parameters"><span class="tocnumber">4.1</span> <span class="toctext">Parameters</span></a></li>
<li class="toclevel-2"><a href="integer_sequence.html#Return_value"><span class="tocnumber">4.2</span> <span class="toctext">Return value</span></a></li>
<li class="toclevel-2"><a href="integer_sequence.html#Exceptions"><span class="tocnumber">4.3</span> <span class="toctext">Exceptions</span></a></li>
<li class="toclevel-2 tocsection-7"><a href="integer_sequence.html#Helper_templates"><span class="tocnumber">4.4</span> <span class="toctext">Helper templates</span></a></li>
<li class="toclevel-2 tocsection-8"><a href="integer_sequence.html#Example"><span class="tocnumber">4.5</span> <span class="toctext">Example</span></a></li>
<li class="toclevel-2 tocsection-9"><a href="integer_sequence.html#Example_2"><span class="tocnumber">4.6</span> <span class="toctext">Example</span></a></li>
</ul>
</li>
</ul>
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<h3>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Template parameters">edit</a>]</span> <span class="mw-headline" id="Template_parameters">Template parameters</span>
</h3>
<table class="t-par-begin">


<tr class="t-par">
<td>  T
</td>
<td> -
</td>
<td>  an integer type to use for the elements of the sequence
</td>
</tr>
<tr class="t-par">
<td>  ...Ints
</td>
<td> -
</td>
<td>  a non-type parameter pack representing the sequence
</td>
</tr>
</table>
<h3>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Member types">edit</a>]</span> <span class="mw-headline" id="Member_types">Member types</span>
</h3>
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<tr class="t-dsc-hitem">
<td>  Member type
</td>
<td>  Definition
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<td>  <code>value_type</code>
</td>
<td>  <code>T</code>
</td>
</tr>

</table>
<h3>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Member functions">edit</a>]</span> <span class="mw-headline" id="Member_functions">Member functions</span>
</h3>
<table class="t-dsc-begin">

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div">
<div><strong class="selflink"> <span class="t-lines"><span>size</span></span></strong></div>
<div><span class="t-lines"><span><span class="t-cmark">[static]</span></span></span></div>
</div>
</td>
<td>   returns the number of elements in <code>Ints</code> <br> <span class="t-mark">(public static member function)</span>
</td>
</tr>

</table>
<div class="t-member">
<h2> <span class="mw-headline" id="std::integer_sequence::size"> <span style="font-size:0.7em; line-height:130%">std::integer_sequence::</span>size </span>
</h2>
<table class="t-dcl-begin"><tbody>

<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">static</span> <span class="kw4">constexpr</span> <a href="../types/size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> size<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad">  </td>
<td class="t-dcl-nopad">  </td>
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<td></td>
<td></td>
<td></td>
</tr>
</tbody></table>
<p>Returns the number of elements in <code>Ints</code>. Equivalent to <span class="t-c"><span class="mw-geshi cpp source-cpp">sizeof...<span class="br0">(</span>Ints<span class="br0">)</span></span></span>
</p>
<h3> <span class="mw-headline" id="Parameters">Parameters</span>
</h3>
<p>(none)
</p>
<h3> <span class="mw-headline" id="Return_value">Return value</span>
</h3>
<p>The number of elements in <code>Ints</code>.
</p>
<h3> <span class="mw-headline" id="Exceptions">Exceptions</span>
</h3>
<div class="t-noexcept-inline">
<a href="../language/noexcept_spec.html" title="cpp/language/noexcept spec"><tt>noexcept</tt></a> specification:  <div class="t-noexcept-box"><span class="t-cc"><span class="mw-geshi cpp source-cpp"><span class="kw1">noexcept</span></span></span></div>  </div>
</div>
<h3>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Helper templates">edit</a>]</span> <span class="mw-headline" id="Helper_templates">Helper templates</span>
</h3>
<p>A helper alias template <code><b>std::index_sequence</b></code> is defined for the common case where <code>T</code> is <span class="t-lc"><a href="../types/size_t.html" title="cpp/types/size t">std::size_t</a></span>.
</p>
<table class="t-dcl-begin"><tbody>

<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span><a href="../types/size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a>... <span class="me1">Ints</span><span class="sy1">&gt;</span><br>
<span class="kw1">using</span> index_sequence <span class="sy1">=</span> std<span class="sy4">::</span><span class="me2">integer_sequence</span><span class="sy1">&lt;</span><a href="../types/size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a>, Ints...<span class="sy1">&gt;</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad">  </td>
<td class="t-dcl-nopad">  </td>
</tr>
<tr class="t-dcl-sep">
<td></td>
<td></td>
<td></td>
</tr>
</tbody></table>
<p>A helper alias template <code><b>std::make_integer_sequence</b></code> is defined to simplify creation of <code>std::integer_sequence</code> and <code>std::index_sequence</code> types with 0, 1, 2, ..., <code>N-1</code> as <code>Ints</code>:
</p>
<table class="t-dcl-begin"><tbody>
<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> T, T N<span class="sy1">&gt;</span><br>
<span class="kw1">using</span> make_integer_sequence <span class="sy1">=</span> std<span class="sy4">::</span><span class="me2">integer_sequence</span><span class="sy1">&lt;</span>T, <span class="coMULTI">/* a sequence 0, 1, 2, ..., N-1 */</span> <span class="sy1">&gt;</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad">  </td>
<td class="t-dcl-nopad">  </td>
</tr>
<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span><a href="../types/size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> N<span class="sy1">&gt;</span><br>
<span class="kw1">using</span> make_index_sequence <span class="sy1">=</span> make_integer_sequence<span class="sy1">&lt;</span><a href="../types/size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a>, N<span class="sy1">&gt;</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad">  </td>
<td class="t-dcl-nopad">  </td>
</tr>
<tr class="t-dcl-sep">
<td></td>
<td></td>
<td></td>
</tr>
</tbody></table>
<p>The program is ill-formed if <code>N</code> is negative. If <code>N</code> is zero, the indicated type is <code>integer_sequence&lt;T&gt;</code>.
</p>
<p>A helper alias template <code><b>std::index_sequence_for</b></code> is defined to convert any type parameter pack into an index sequence of the same length
</p>
<table class="t-dcl-begin"><tbody>
<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span>... <span class="me1">T</span><span class="sy1">&gt;</span><br>
<span class="kw1">using</span> index_sequence_for <span class="sy1">=</span> std<span class="sy4">::</span><span class="me2">make_index_sequence</span><span class="sy1">&lt;</span>sizeof...<span class="br0">(</span>T<span class="br0">)</span><span class="sy1">&gt;</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad">  </td>
<td class="t-dcl-nopad">  </td>
</tr>
<tr class="t-dcl-sep">
<td></td>
<td></td>
<td></td>
</tr>
</tbody></table>
<h3>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Example">edit</a>]</span> <span class="mw-headline" id="Example">Example</span>
</h3>
<div class="t-example">
<div class="t-example-live-link"><div class="coliru-btn coliru-btn-run-init">Run this code</div></div>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="co2">#include &lt;tuple&gt;</span>
<span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;array&gt;</span>
<span class="co2">#include &lt;utility&gt;</span>
 
<span class="co1">// Convert array into a tuple</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">typename</span> Array, <a href="../types/size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a>... <span class="me1">I</span><span class="sy1">&gt;</span>
decltype<span class="br0">(</span><span class="kw4">auto</span><span class="br0">)</span> a2t_impl<span class="br0">(</span><span class="kw4">const</span> Array<span class="sy3">&amp;</span> a, std<span class="sy4">::</span><span class="me2">index_sequence</span><span class="sy1">&lt;</span>I...<span class="sy1">&gt;</span><span class="br0">)</span>
<span class="br0">{</span>
    <span class="kw1">return</span> <a href="tuple/make_tuple.html"><span class="kw911">std::<span class="me2">make_tuple</span></span></a><span class="br0">(</span>a<span class="br0">[</span>I<span class="br0">]</span>...<span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span>
 
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">typename</span> T, <a href="../types/size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> N, <span class="kw1">typename</span> Indices <span class="sy1">=</span> std<span class="sy4">::</span><span class="me2">make_index_sequence</span><span class="sy1">&lt;</span>N<span class="sy1">&gt;&gt;</span>
decltype<span class="br0">(</span><span class="kw4">auto</span><span class="br0">)</span> a2t<span class="br0">(</span><span class="kw4">const</span> <a href="../container/array.html"><span class="kw1066">std::<span class="me2">array</span></span></a><span class="sy1">&lt;</span>T, N<span class="sy1">&gt;</span><span class="sy3">&amp;</span> a<span class="br0">)</span>
<span class="br0">{</span>
    <span class="kw1">return</span> a2t_impl<span class="br0">(</span>a, Indices<span class="br0">(</span><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span>
 
<span class="co1">// pretty-print a tuple (from http://stackoverflow.com/a/6245777/273767)</span>
 
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Ch, <span class="kw1">class</span> Tr, <span class="kw1">class</span> Tuple, <a href="../types/size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a>... <span class="me1">Is</span><span class="sy1">&gt;</span>
<span class="kw4">void</span> print_tuple_impl<span class="br0">(</span><a href="../io/basic_ostream.html"><span class="kw1407">std::<span class="me2">basic_ostream</span></span></a><span class="sy1">&lt;</span>Ch,Tr<span class="sy1">&gt;</span><span class="sy3">&amp;</span> os,
                      <span class="kw4">const</span> Tuple <span class="sy3">&amp;</span> t,
                      std<span class="sy4">::</span><span class="me2">index_sequence</span><span class="sy1">&lt;</span>Is...<span class="sy1">&gt;</span><span class="br0">)</span>
<span class="br0">{</span>
    <span class="kw1">using</span> swallow <span class="sy1">=</span> <span class="kw4">int</span><span class="br0">[</span><span class="br0">]</span><span class="sy4">;</span> <span class="co1">// guaranties left to right order</span>
    <span class="br0">(</span><span class="kw4">void</span><span class="br0">)</span>swallow<span class="br0">{</span><span class="nu0">0</span>, <span class="br0">(</span><span class="kw4">void</span><span class="br0">(</span>os <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>Is <span class="sy1">==</span> <span class="nu0">0</span><span class="sy4">?</span> <span class="st0">""</span> <span class="sy4">:</span> <span class="st0">", "</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <a href="tuple/get.html"><span class="kw913">std::<span class="me2">get</span></span></a><span class="sy1">&lt;</span>Is<span class="sy1">&gt;</span><span class="br0">(</span>t<span class="br0">)</span><span class="br0">)</span>, <span class="nu0">0</span><span class="br0">)</span>...<span class="br0">}</span><span class="sy4">;</span>
<span class="br0">}</span>
 
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Ch, <span class="kw1">class</span> Tr, <span class="kw1">class</span>... <span class="me1">Args</span><span class="sy1">&gt;</span>
decltype<span class="br0">(</span><span class="kw4">auto</span><span class="br0">)</span> operator<span class="sy1">&lt;&lt;</span><span class="br0">(</span><a href="../io/basic_ostream.html"><span class="kw1407">std::<span class="me2">basic_ostream</span></span></a><span class="sy1">&lt;</span>Ch, Tr<span class="sy1">&gt;</span><span class="sy3">&amp;</span> os,
                          <span class="kw4">const</span> <a href="tuple.html"><span class="kw906">std::<span class="me2">tuple</span></span></a><span class="sy1">&lt;</span>Args...<span class="sy1">&gt;</span><span class="sy3">&amp;</span> t<span class="br0">)</span>
<span class="br0">{</span>
    os <span class="sy1">&lt;&lt;</span> <span class="st0">"("</span><span class="sy4">;</span>
    print_tuple_impl<span class="br0">(</span>os, t, std<span class="sy4">::</span><span class="me2">index_sequence_for</span><span class="sy1">&lt;</span>Args...<span class="sy1">&gt;</span><span class="br0">{</span><span class="br0">}</span><span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">return</span> os <span class="sy1">&lt;&lt;</span> <span class="st0">")"</span><span class="sy4">;</span>
<span class="br0">}</span>
 
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
    <a href="../container/array.html"><span class="kw1066">std::<span class="me2">array</span></span></a><span class="sy1">&lt;</span><span class="kw4">int</span>, <span class="nu0">4</span><span class="sy1">&gt;</span> array <span class="sy1">=</span> <span class="br0">{</span><span class="nu0">1</span>,<span class="nu0">2</span>,<span class="nu0">3</span>,<span class="nu0">4</span><span class="br0">}</span><span class="sy4">;</span>
 
    <span class="co1">// convert an array into a tuple</span>
    <span class="kw4">auto</span> tuple <span class="sy1">=</span> a2t<span class="br0">(</span>array<span class="br0">)</span><span class="sy4">;</span>
    static_assert<span class="br0">(</span><a href="../types/is_same.html"><span class="kw501">std::<span class="me2">is_same</span></span></a><span class="sy1">&lt;</span>decltype<span class="br0">(</span>tuple<span class="br0">)</span>,
                               <a href="tuple.html"><span class="kw906">std::<span class="me2">tuple</span></span></a><span class="sy1">&lt;</span><span class="kw4">int</span>, <span class="kw4">int</span>, <span class="kw4">int</span>, <span class="kw4">int</span><span class="sy1">&gt;&gt;</span><span class="sy4">::</span><span class="me2">value</span>, <span class="st0">""</span><span class="br0">)</span><span class="sy4">;</span>
 
    <span class="co1">// print it to cout</span>
    <a href="../io/cout.html"><span class="kw1450">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> tuple <span class="sy1">&lt;&lt;</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div></div>
<p>Output:
</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="text source-text"><pre class="de1">(1, 2, 3, 4)</pre></div></div> 
</div>
<h3>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Example">edit</a>]</span> <span class="mw-headline" id="Example_2">Example</span>
</h3>
<p>This example shows how a <span class="t-lc"><a href="tuple.html" title="cpp/utility/tuple">std::tuple</a></span> can be converted into arguments for a function invocation, see <a href="../experimental/apply.html" title="cpp/experimental/apply"><tt>std::experimental::apply</tt></a>.
</p>
<div class="t-example">
<div class="t-example-live-link"><div class="coliru-btn coliru-btn-run-init">Run this code</div></div>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;tuple&gt;</span>
<span class="co2">#include &lt;utility&gt;</span>
 
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">typename</span> Func, <span class="kw1">typename</span> Tup, <a href="../types/size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a>... <span class="me1">index</span><span class="sy1">&gt;</span>
decltype<span class="br0">(</span><span class="kw4">auto</span><span class="br0">)</span> invoke_helper<span class="br0">(</span>Func<span class="sy3">&amp;&amp;</span> func, Tup<span class="sy3">&amp;&amp;</span> tup, std<span class="sy4">::</span><span class="me2">index_sequence</span><span class="sy1">&lt;</span>index...<span class="sy1">&gt;</span><span class="br0">)</span>
<span class="br0">{</span>
    <span class="kw1">return</span> func<span class="br0">(</span><a href="tuple/get.html"><span class="kw913">std::<span class="me2">get</span></span></a><span class="sy1">&lt;</span>index<span class="sy1">&gt;</span><span class="br0">(</span><a href="forward.html"><span class="kw917">std::<span class="me2">forward</span></span></a><span class="sy1">&lt;</span>Tup<span class="sy1">&gt;</span><span class="br0">(</span>tup<span class="br0">)</span><span class="br0">)</span>...<span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span>
 
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">typename</span> Func, <span class="kw1">typename</span> Tup<span class="sy1">&gt;</span>
decltype<span class="br0">(</span><span class="kw4">auto</span><span class="br0">)</span> invoke<span class="br0">(</span>Func<span class="sy3">&amp;&amp;</span> func, Tup<span class="sy3">&amp;&amp;</span> tup<span class="br0">)</span>
<span class="br0">{</span>
    <span class="kw4">constexpr</span> <span class="kw4">auto</span> Size <span class="sy1">=</span> <a href="tuple/tuple_size.html"><span class="kw907">std::<span class="me2">tuple_size</span></span></a><span class="sy1">&lt;</span><span class="kw1">typename</span> <a href="../types/decay.html"><span class="kw521">std::<span class="me2">decay</span></span></a><span class="sy1">&lt;</span>Tup<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">type</span><span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value</span><span class="sy4">;</span>
    <span class="kw1">return</span> invoke_helper<span class="br0">(</span><a href="forward.html"><span class="kw917">std::<span class="me2">forward</span></span></a><span class="sy1">&lt;</span>Func<span class="sy1">&gt;</span><span class="br0">(</span>func<span class="br0">)</span>,
                         <a href="forward.html"><span class="kw917">std::<span class="me2">forward</span></span></a><span class="sy1">&lt;</span>Tup<span class="sy1">&gt;</span><span class="br0">(</span>tup<span class="br0">)</span>,
                         std<span class="sy4">::</span><span class="me2">make_index_sequence</span><span class="sy1">&lt;</span>Size<span class="sy1">&gt;</span><span class="br0">{</span><span class="br0">}</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span>
 
<span class="kw4">void</span> foo<span class="br0">(</span><span class="kw4">int</span> a, <span class="kw4">const</span> <a href="../string/basic_string.html"><span class="kw1046">std::<span class="me2">string</span></span></a><span class="sy3">&amp;</span> b, <span class="kw4">float</span> c<span class="br0">)</span>
<span class="br0">{</span>
    <a href="../io/cout.html"><span class="kw1450">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> a <span class="sy1">&lt;&lt;</span> <span class="st0">" , "</span> <span class="sy1">&lt;&lt;</span> b <span class="sy1">&lt;&lt;</span> <span class="st0">" , "</span> <span class="sy1">&lt;&lt;</span> c <span class="sy1">&lt;&lt;</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
<span class="br0">}</span>
 
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
    <span class="kw4">auto</span> args <span class="sy1">=</span> <a href="tuple/make_tuple.html"><span class="kw911">std::<span class="me2">make_tuple</span></span></a><span class="br0">(</span><span class="nu0">2</span>, <span class="st0">"Hello"</span>, <span class="nu16">3.5</span><span class="br0">)</span><span class="sy4">;</span>
    invoke<span class="br0">(</span>foo, args<span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div></div>
<p>Output:
</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="text source-text"><pre class="de1">2 , Hello , 3.5</pre></div></div> 
</div>

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